High Quality Content by WIKIPEDIA articles! During the 1946 Boston Red Sox season, the Red Sox won their sixth American League championship, with a record of 104 wins and 50 losses. In the World Series, the Sox lost in 7 games to the St. Louis Cardinals. The winning run in game 7 was scored on Enos Slaughter`s famous "Mad Dash" in the 8th inning that gave the Cards a 4-3 lead.